<template>
    <div class="app-container">
        讲师列表

        <!--查询表单-->
        <el-form :inline="true" class="demo-form-inline">
            <el-form-item>
                <el-input v-model="searchObj.name" placeholder="讲师名" />
            </el-form-item>
            <el-form-item>
                <el-select v-model="searchObj.level" clearable placeholder="讲师头衔">
                    <el-option :value="1" label="高级讲师" />
                    <el-option :value="2" label="首席讲师" />
                </el-select>
            </el-form-item>
            <el-form-item label="添加时间">
                <el-date-picker v-model="searchObj.begin" type="datetime" placeholder="选择开始时间"
                    value-format="yyyy-MM-dd HH:mm:ss" default-time="00:00:00" />
            </el-form-item>
            <el-form-item>
                <el-date-picker v-model="searchObj.end" type="datetime" placeholder="选择截止时间"
                    value-format="yyyy-MM-dd HH:mm:ss" default-time="00:00:00" />
            </el-form-item>
            <el-button type="primary" icon="el-icon-search" @click="fetchData()">查 询</el-button>
            <el-button type="default" @click="resetData()">清空</el-button>
        </el-form>

        <el-table v-loading="listLoading" :data="list" element-loading-text="数据加载中" border fit highlight-current-row>
            <el-table-column label="序号" width="70" align="center">
                <template slot-scope="scope">
                    {{ (page - 1) * pageSize + scope.$index + 1 }}
                </template>
            </el-table-column>
            <el-table-column prop="name" label="名称" width="80" />
            <el-table-column label="头衔" width="80">
                <template slot-scope="scope">
                    {{ scope.row.level === 1 ? "高级讲师" : "首席讲师" }}
                </template>
            </el-table-column>
            <el-table-column prop="intro" label="资历" />
            <el-table-column prop="gmtCreate" label="添加时间" width="160" />
            <el-table-column prop="sort" label="排序" width="60" />

            <el-table-column label="操作" width="200" align="center">
                <template slot-scope="scope">
                    <router-link :to="'/edu/teacher/edit/' + scope.row.id">
                        <el-button type="primary" size="mini" icon="el-icon-edit" @click="fetchDataById(scope.row.id)">修改</el-button>
                    </router-link>
                    <el-button type="danger" size="mini" icon="el-icon-delete" @click="removeDataById(scope.row.id)">删除
                    </el-button>
                </template>
            </el-table-column>
        </el-table>

        <!-- 分页 -->
        <el-pagination :current-page="page" :page-size="pageSize" :total="total"
            style="padding: 30px 0; text-align: center" layout="total, prev, pager, next, jumper"
            @current-change="fetchData" />
    </div>
</template>


<script>
import teacher from "@/api/edu/teacher";

export default {
    data() {
        return {
            listLoading: true, // 是否显示loading信息
            list: null, // 数据列表
            total: 0, // 总记录数
            page: 1, // 页码
            pageSize: 5, // 每页记录数
            searchObj: {}, // 查询条件
        };
    },
    created() {
        // 当页面加载时获取数据
        this.fetchData();
    },
    methods: {
        fetchData(page = 1) {
            // 调用api层获取数据库中的数据
            this.page = page;
            this.listLoading = true;
            teacher.getPageList(this.page, this.pageSize, this.searchObj).then((response) => {
                // debugger 设置断点调试
                if (response.code === 200) {
                    this.list = response.data.records;
                    this.total = response.data.total;
                }
                this.listLoading = false;
            });
        },
        resetData() {
            this.searchObj = {};
            this.fetchData();
        },
        // 根据id查询记录
        fetchDataById(id) {
            teacher.getById(id).then(response => {
                this.teacher = response.data.teacher
            }).catch((response) => {
                this.$message({
                    type: 'error',
                    message: '获取数据失败'
                })
            })
        },
        removeDataById(id) {
            // debugger
            // console.log(memberId)
            this.$confirm('此操作将永久删除该记录, 是否继续?', '提示', {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
            }).then(() => {
                return teacher.removeById(id)
            }).then(() => {
                this.fetchData()
                this.$message({
                    type: 'success',
                    message: '删除成功!'
                })
            }).catch((response) => { // 失败
                if (response === 'cancel') {
                    this.$message({
                        type: 'info',
                        message: '已取消删除'
                    })
                } else {
                    this.$message({
                        type: 'error',
                        message: '删除失败'
                    })
                }
            })
        },
    },
};
</script>